<%@ page import="java.util.Vector" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.util.Calendar" %><%--
  Created by IntelliJ IDEA.
  User: cjf
  Date: 2024/9/20
  Time: 14:44
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <meta http-equiv="content-type" content="text/html" charset="UTF-8">
    <title>使用application内置对象</title>
</head>
<body bgcolor="#abcdef">
<%!
    Vector<String> v = new Vector<String>();
    int i = 0;%>
<%
    String datetime = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(Calendar.getInstance().getTime());//获取系统时间
%>
<%
    request.setCharacterEncoding("utf-8");
    String name = request.getParameter("name");
    String title = request.getParameter("title");
    String message = request.getParameter("message");
%>
<%
    if (name==null ||"". equals(name.trim())){
        //trim()主要解决里面的空格的问题
        name = "网友"+(int)(Math.random()* 100000 + 10000);
    }
    if (title==null ||"". equals(name.trim())){
        title="无";
    }
%>
<%
    i++;
    String str="第"+ "<span class=span0>" +i + "</span>"+"楼"
    +"<span class=span1>留言人:</span>"+ name+".<span class=span>标题:</span>"+title
    +"<span class=span3>内容:</span> <br>    "+ message
    +"<span class=span4>时间:</span> "+ datetime + "<hr>";
    v.add(str);
    application.setAttribute("message",v);
%>
留言成功.
<a href="inputMessage.jsp">返回留言板</a>
</body>
</html>
